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Data Capture Unit (DCU)

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Cybersecurity and adoption of digital apps and services are leading to an increasing need to capture data from critical and secure industrial networks.

Facing growing cybersecurity threats, monitoring of critical networks for

intrusion and anomaly detection (as well as passive asset discovery) becomes

ever more important. At the same time, with the rise of apps and services,

critical infrastructure operators can benefit from remote condition monitoring,

management services and data analytics.

Both, network security monitoring and the use of apps and services require safe

access to critical networks. DCU provides a trustworthy one-way flow of data

from critical OT networks to open networks, while keeping critical infrastructure

assets secure.

Learn more about how to protect critical networks
Download our whitepaper

Product information

Sharing and monitoring data from critical networks without compromising security

Traditionally, critical industrial control systems are protected either by a firewall or by an air-gap, meaning they are completely isolated from the remaining network. Both have significant shortcomings as an air-gap does not allow the real-time flow of information while firewalls are susceptible to misconfiguration and back doors. A DCU is a far better way to keep a critical network safe while granting limited access. It is a one-way transfer device that permits data to be sent from the critical network for monitoring or use by a remote user, without allowing a potential entry point or attack vector into the critical network.

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Main benefits

  • DCU enables secure and continuous monitoring of critical industrial networks
  • DCU keeps critical and open networks physically separated
  • No need to re-configure the critical network for monitoring
  • No impact on network operation even if the DCU stops working or loses power
     

Main features

  • Monitoring is independent of the protocol used
  • Supports network tap and one-way gateway operation using gateway applications
  • Filtering of captured data by protocol, source or target IP, source or target port, and data content
  • Designed for operation in rugged environmental conditions

DCU enables secure monitoring for various applications

Modes of operation

DCU modes of operation

With its various modes of operation a DCU meets different requirements in terms of data flow and network setups.